:root {
    --color-primary: #2f3292;
    --color-primary-dark: #12144f;
    --color-accent: #ed1c24;
    --color-accent-dark: #b80f16;
    --color-ink: #171717;
    --color-muted: #5b5b68;
    --color-surface: #ffffff;
    --color-soft: #f4f7fb;
    --color-line: #d9e2ec;
    --shadow: 0 18px 45px rgba(18, 20, 79, 0.16);
    --radius: 8px;
    --container: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--color-ink);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
    background: var(--color-surface);
}

img,
video {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
}

.site-header {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.94);
    border-bottom: 1px solid rgba(217, 226, 236, 0.8);
    backdrop-filter: blur(12px);
}

.navbar {
    width: min(100% - 32px, var(--container));
    min-height: 76px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    color: var(--color-primary);
}

.brand-mark {
    display: inline-grid;
    place-items: center;
    width: 42px;
    height: 42px;
    color: #ffffff;
    background: var(--color-accent);
    border-radius: var(--radius);
    font-size: 0.88rem;
    letter-spacing: 0;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 22px;
    padding: 0;
    margin: 0;
    list-style: none;
    color: var(--color-muted);
    font-weight: 700;
    font-size: 0.94rem;
}

.nav-menu a {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
}

.nav-menu a:hover,
.nav-menu a:focus {
    color: var(--color-primary);
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: 10px;
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    background: var(--color-surface);
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    height: 2px;
    margin: 5px 0;
    background: var(--color-primary);
}

.section {
    width: min(100% - 32px, var(--container));
    margin: 0 auto;
    padding: 84px 0;
    scroll-margin-top: 86px;
}

.hero {
    width: 100%;
    min-height: 680px;
    padding: 160px max(16px, calc((100% - var(--container)) / 2)) 96px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    align-items: center;
    gap: 40px;
    color: #ffffff;
    background:
        linear-gradient(115deg, rgba(18, 20, 79, 0.94), rgba(47, 50, 146, 0.72)),
        url('../img/hero-bg.svg') center / cover no-repeat;
}

.hero-content {
    max-width: 760px;
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--color-accent);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.hero h1,
.section-heading h2 {
    margin: 0;
    line-height: 1.12;
}

.hero h1 {
    font-size: clamp(2.35rem, 7vw, 4.8rem);
    max-width: 820px;
}

.hero p {
    max-width: 650px;
    color: rgba(255, 255, 255, 0.84);
    font-size: 1.12rem;
}

.hero-actions,
.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 22px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-weight: 800;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    color: #ffffff;
    background: var(--color-accent);
    box-shadow: 0 10px 24px rgba(240, 180, 41, 0.25);
}

.btn-secondary {
    color: var(--color-surface);
    border-color: rgba(255, 255, 255, 0.35);
    background: rgba(255, 255, 255, 0.12);
}

.contact-info .btn-secondary {
    color: var(--color-primary);
    border-color: var(--color-line);
    background: var(--color-soft);
}

.hero-panel {
    padding: 28px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.12);
    box-shadow: var(--shadow);
}

.hero-panel span,
.hero-panel strong,
.hero-panel a {
    display: block;
}

.hero-panel strong {
    margin: 8px 0 18px;
    font-size: 1.55rem;
}

.hero-panel a {
    color: var(--color-accent);
    font-weight: 800;
}

.section-heading {
    max-width: 720px;
    margin-bottom: 32px;
}

.section-heading h2 {
    color: #ffffff;
    font-size: clamp(1.85rem, 4vw, 3rem);
}

.media-showcase,
.services,
.portfolio,
.map-section {
    width: 100%;
    max-width: none;
    padding-right: max(16px, calc((100% - var(--container)) / 2));
    padding-left: max(16px, calc((100% - var(--container)) / 2));
    background: var(--color-soft);
}

.carousel {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius);
    background: var(--color-primary-dark);
    box-shadow: var(--shadow);
}

.carousel-track {
    position: relative;
    min-height: 500px;
}

.carousel-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
}

.carousel-slide.is-active {
    opacity: 1;
    pointer-events: auto;
}

.carousel-slide img,
.carousel-slide video {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.slide-caption {
    position: absolute;
    right: 28px;
    bottom: 28px;
    left: 28px;
    max-width: 560px;
    padding: 22px;
    color: #ffffff;
    border-radius: var(--radius);
    background: rgba(8, 35, 63, 0.78);
}

.slide-caption h3,
.slide-caption p {
    margin: 0;
}

.slide-caption p {
    margin-top: 6px;
    color: rgba(255, 255, 255, 0.82);
}

.carousel-control {
    position: absolute;
    top: 50%;
    z-index: 3;
    width: 46px;
    height: 46px;
    border: 0;
    border-radius: 50%;
    color: var(--color-primary-dark);
    background: rgba(255, 255, 255, 0.9);
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    transform: translateY(-50%);
}

.carousel-control.prev {
    left: 18px;
}

.carousel-control.next {
    right: 18px;
}

.carousel-indicators {
    position: absolute;
    right: 0;
    bottom: 18px;
    left: 0;
    z-index: 4;
    display: flex;
    justify-content: center;
    gap: 8px;
}

.carousel-indicators button {
    width: 11px;
    height: 11px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.52);
    cursor: pointer;
}

.carousel-indicators button.is-active {
    background: var(--color-accent);
}

.about-grid,
.contact-grid,
.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 32px;
}

.stats {
    display: grid;
    gap: 14px;
}

.stats div,
.info-card,
.product-card,
.contact-form,
.contact-info {
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    background: var(--color-surface);
    box-shadow: 0 10px 28px rgba(18, 60, 105, 0.08);
}

.stats div {
    padding: 22px;
}

.stats strong {
    display: block;
    color: var(--color-primary);
    font-size: 2rem;
}

.stats span,
.info-card p,
.product-card p,
.contact-info p,
.site-footer p {
    color: var(--color-muted);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.info-card {
    padding: 26px;
}

.card-icon {
    display: inline-grid;
    place-items: center;
    width: 48px;
    height: 48px;
    margin-bottom: 18px;
    color: var(--color-primary-dark);
    background: var(--color-accent);
    border-radius: var(--radius);
    font-weight: 900;
}

.product-card {
    overflow: hidden;
}

.product-card img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    background: var(--color-soft);
}

.product-card div {
    padding: 22px;
}

.client-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 14px;
}

.client-grid div {
    display: grid;
    min-height: 92px;
    place-items: center;
    padding: 14px;
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    color: var(--color-primary);
    background: var(--color-surface);
    font-weight: 800;
}

.contact-form,
.contact-info {
    padding: 28px;
}

.contact-form {
    display: grid;
    gap: 16px;
}

.contact-form label {
    display: grid;
    gap: 7px;
    color: var(--color-primary-dark);
    font-weight: 800;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    min-height: 46px;
    padding: 12px 14px;
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    font: inherit;
}

.contact-form textarea {
    resize: vertical;
}

.honeypot {
    position: absolute;
    left: -9999px;
    opacity: 0;
}

.alert {
    margin-bottom: 22px;
    padding: 14px 16px;
    border-radius: var(--radius);
    font-weight: 800;
}

.alert-success {
    color: #146c43;
    background: #d1e7dd;
}

.alert-error {
    color: #842029;
    background: #f8d7da;
}

.map-wrapper {
    overflow: hidden;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.map-wrapper iframe {
    display: block;
    width: 100%;
    height: 420px;
    border: 0;
}

.site-footer {
    padding: 56px max(16px, calc((100% - var(--container)) / 2)) 24px;
    color: #ffffff;
    background: var(--color-primary-dark);
}

.site-footer h2,
.site-footer h3 {
    margin-top: 0;
}

.site-footer a {
    color: var(--color-accent);
    font-weight: 800;
}

.copyright {
    margin: 32px 0 0;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    text-align: center;
}

@media (max-width: 920px) {
    .nav-toggle {
        display: block;
    }

    .nav-menu {
        position: absolute;
        top: 76px;
        right: 16px;
        left: 16px;
        display: none;
        padding: 16px;
        border: 1px solid var(--color-line);
        border-radius: var(--radius);
        background: #ffffff;
        box-shadow: var(--shadow);
    }

    .nav-menu.is-open {
        display: grid;
    }

    .hero,
    .about-grid,
    .contact-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: auto;
        padding-top: 130px;
    }

    .card-grid,
    .client-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .section {
        padding: 64px 0;
    }

    .hero {
        padding-bottom: 70px;
    }

    .hero h1 {
        font-size: 2.35rem;
    }

    .hero-actions,
    .btn {
        width: 100%;
    }

    .carousel-track {
        min-height: 430px;
    }

    .carousel-slide img,
    .carousel-slide video {
        height: 430px;
    }

    .slide-caption {
        right: 14px;
        bottom: 48px;
        left: 14px;
        padding: 16px;
    }

    .carousel-control {
        top: 42%;
        width: 40px;
        height: 40px;
    }

    .card-grid,
    .client-grid {
        grid-template-columns: 1fr;
    }
}